Convert from drachme to scruple [troy]

Unit Definition (drachme)
The drachme is a traditional unit of weight in France and Germany, generally between 3.7 and 3.9 grams.

Unit Definition (scruple [troy])
The scruple is a unit of weight in the traditional (troy) system used by English apothecaries, equal to 20 grains, 1/24 troy ounce or approximately 1.2960 gram.